<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script src="https://cdn.bootcss.com/vue/2.5.17/vue.min.js"></script>
</head>
<body>
hello world!!
<div id="app">
  {{msg}}
  <span v-bind:style="{'color':'green'}">{{msg1}}</span>
  <p>
    {{ count + 1 }}
  </p>
  <div v-html="template"></div>
</div>
<script>
  new Vue({
    el: '#app',
    data: {
      msg: 'Hello Vue!!',
      msg1: 'Hello!!',
      count: 0,
      template: '<div style="color:red">good Vue!</div>'
    }
  })
</script>
</body>
</html>